<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var obj = {}
        var obj2 = {}
        console.log(obj == obj2); // false
        console.log(obj === obj2); // false
        
        var obj3 = {}
        var obj4 = obj3;
        console.log(obj3 == obj4)
        console.log(obj3 === obj4)
    </script>
</body>
</html>